Justin Bieber V. Miley Cyrus — It's A Pop Star Mustache Face-Off!

Miley jumps aboard the mustache wearing bandwagon — did she do it better than pop Lothario Justin?

Miley Cyrus is looking quite a bit older in recent pics — and a whole lot more male! The singer and actress tweeted a photo of herself in a mustache April 4, writing: “Mustache you to get me to 100,000! ( I just wanted a reason to wear a stache. It actually doesnt even make any sen [sic].”